As a Principal Technical Editor/Writer for Alpha Communications, with over 12 years of experience, the internship would provide an opportunity to work with technical documents outside my familiar "comfort zone" of technical manuals.

I think this is in passive voice.

Would this work to fix it?

The internship would provide me, a Principal Technical Editor/Writer for Alpha Communications, with over 12 years of experience,an opportunity to work with technical documents outside my familiar "comfort zone" of technical manuals.